Some students will see that they need to spend more time doing practice examples from the text.
To normalize the marks, I added 5 marks to everyone's score. This gave everyone a positive mark.
| Quiz8 | ||||||||
| Final Mark | Basic Scheme | Count | Percent | Cumulative | Cumulative | |||
| 0 | F | 6 | 46% | 46% | 100% | |||
| Mean | 53.3 | 50 | D | 0 | 0% | 46% | 54% | |
| Median | 66.7 | 60 | C | 3 | 23% | 69% | 54% | |
| Mode | 66.7 | 70 | B | 2 | 15% | 85% | 31% | |
| Population Std Deviation | 28.8 | 80 | A | 2 | 15% | 100% | 15% | |
| Standard Deviation | 29.9 | 13 | 100% | |||||
| Population Variance | 827.4 | |||||||
| Sample Variance | 896.3 | |||||||
| Kurtosis | -1.1 | |||||||
| Skewness | -0.1 | |||||||
| Range | 93.3 | |||||||
| Minimum | 6.7 | |||||||
| Maximum | 100.0 | |||||||
| Sum | 693.3 | |||||||
| Count | 13.0 | |||||||
| Confidence Level(95.0%) | 16.3 | |||||||
